Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | $ 1,120 | $ 930 | $ 899 |
| Operations and support | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | 68 | 63 | 49 |
| Product development | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | 694 | 548 | 545 |
| Sales and marketing | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | 130 | 114 | 100 |
| General and administrative | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Stock-based compensation expense | $ 228 | $ 205 | $ 205 |